|Number/name|Wheel arrangement|Builder|Year|Disposition and Location|
|---|---|---|---|---|
|1 San Francisco|4-4-0|Norris Locomotive Works|1862|To Southern Pacific #2, #1109. Unknown.|
|2 San Jose|4-4-0|Norris Locomotive Works|1862|To SF&NP as Little Josie. To Northwestern Pacific Railroad #1. Retired in 1921.|
|3 T. Dame|4-4-0|Norris Locomotive Works||To Southern Pacific #3, #1110. Unknown.|
|4 A.H. Houston|4-4-0|Cooke Locomotive and Machine Works|11/1863|To Southern Pacific #4. Unknown.|
|5 Chas. McLaughlin|4-4-0|Cooke Locomotive and Machine Works||To Southern Pacific #5. Unknown.|
|6 California|4-4-0|H. J. Booth at Union Iron Works|7/1865|To Southern Pacific #6, #1303. Rebuilt 1873. Scrapped in 1911.|
|7 Atlantic|4-4-0|H.J. Booth at Union Iron Works|1865|To Southern Pacific #7, #1231, scrapped in 1895.|
|8 Union|0-4-0|H.J. Booth at Union Iron Works|6/1867|To Southern Pacific #8, #1002. Unknown.|
|9 Donahue|4-4-0|Cooke Locomotive and Machine Works|4/1870|To Southern Pacific #9. Unknown.|
|10 Newhall||||To Southern Pacific #10. Unknown.|
|11 Menlo Park|4-4-0|Mason Machine Works|4/16/1870|To Southern Pacific #11. Unknown.|
|12 Racer||McK/A|7/1868|To Southern Pacific #12. Unknown.|
|13 Shoshone||Norris Locomotive Works|6/1867|To Southern Pacific #13. Unknown.|
|14 Red Eagle||Cooke Locomotive and Machine Works|7/1868|To Southern Pacific #14. Unknown.|
|15 Black Deer||McK/A|10/1867|To Southern Pacific #15. Unknown.|
|16 Reindeer||Schenectady Locomotive Works|11/1868|To Southern Pacific #1151. Unknown.|
|17 Mohave||Norris Locomotive Works|7/1860|To Southern Pacific #17. Unknown.|
|18 Peeler||Rhode Island Locomotive Works|11/1868|To Southern Pacific #18. Unknown.|
|19 Raven||Schenectady Locomotive Works|10/1868|To Southern Pacific #19. Unknown.|
|20||Baldwin Locomotive Works|6/1872|To Southern Pacific #20. Unknown.|

Question: how many total locomotives have a disposition of "to southern pacific"?
Answer: 19